Home / 1,761.84-2,431.58-1,341.45

Finding the Fourth Proportional to 1,761.84, 2,431.58 and 1,341.45

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Solution

The fourth proportional to 1,761.84, 2,431.58 and 1,341.45 is: 1,851.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761.84 : 2,431.58 = 1,341.45 : x
  2. Step 2: Convert to fraction form
    1,761.84/2,431.58 = 1,341.45/x
  3. Step 3: Cross multiply
    1,761.84x = 2,431.58 × 1,341.45
  4. Step 4: Simplify right side
    1,761.84x = 3,261,836.28
  5. Step 5: Solve for x
    x = 3,261,836.28/1,761.84
  6. Step 6: Final answer
    x = 1,851.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.